The company has a large number of back orders to fulfill.

I found some interesting articles on the back pages of the newspaper.

The back covers of the books were all torn.

I love exploring the back lanes of the city.

I have a collection of back scratchers.

The back posts of the fence were damaged in the storm.

I have two back boilers in my house.

Back channels are often used in diplomatic negotiations.

The basketball players were practicing their shooting skills using the back boards.

Back-slangs are a form of secret language used by some groups.